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## This Source Code Form is subject to the terms of the Mozilla Public
## License, v. 2.0. If a copy of the MPL was not distributed with this
## file, You can obtain one at https://mozilla.org/MPL/2.0/.
##
## Copyright (c) 2007-2023 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved.
defmodule RabbitMQ.CLI.Ctl.Commands.PurgeQueueCommand do
alias RabbitMQ.CLI.Core.DocGuide
@behaviour RabbitMQ.CLI.CommandBehaviour
use RabbitMQ.CLI.Core.AcceptsDefaultSwitchesAndTimeout
def merge_defaults(args, opts) do
{args, Map.merge(%{vhost: "/"}, opts)}
end
use RabbitMQ.CLI.Core.AcceptsOnePositionalArgument
use RabbitMQ.CLI.Core.RequiresRabbitAppRunning
def run([queue], %{node: node_name, vhost: vhost, timeout: timeout}) do
res =
:rabbit_misc.rpc_call(
node_name,
:rabbit_amqqueue,
:lookup,
[:rabbit_misc.r(vhost, :queue, queue)],
timeout
)
case res do
{:ok, q} -> purge(node_name, q, timeout)
_ -> res
end
end
use RabbitMQ.CLI.DefaultOutput
def usage, do: "purge_queue <queue>"
def usage_additional() do
[
["<queue>", "Name of the queue to purge"]
]
end
def usage_doc_guides() do
[
DocGuide.queues()
]
end
def help_section(), do: :queues
def description(), do: "Purges a queue (removes all messages in it)"
def banner([queue], %{vhost: vhost}) do
"Purging queue '#{queue}' in vhost '#{vhost}' ..."
end
#
# Implementation
#
defp purge(node_name, q, timeout) do
res = :rabbit_misc.rpc_call(node_name, :rabbit_amqqueue, :purge, [q], timeout)
case res do
{:ok, _message_count} -> :ok
_ -> res
end
end
end
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